a person push a 20kg box at a constant acceleration 5m/s/s. what is the person's force used to push the box?, A car's engine generates 500N, the car's mass is 200kg. what is the acceleration?, a person pushes an object at an acceleration 4m/s/s, his force is 100N. What is the mass of the object?.

Quiz

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?